Datasheet

4 Barracuda 7200.8 Serial ATA Product Manual, Rev. B
Power-on to ready (typical) 10 sec
Standby to ready (typical) 10 sec
Track-to-track seek time (msec typical) 0.8 (read), 1.0 (write)
Average seek, read (msec typical) 8.0
Average seek, write (msec typical) 9.0
Startup current (typical) 12V (peak) 2.8 amps
Seek power (typical) watts 9.9
Operating power (typical) watts 9.2
Idle mode (typical) watts 7.71
Standby mode (typical) watts 1.2
Sleep mode 1.2
Voltage tolerance
(including noise)
5V ± 5%
12V ± 10%
Ambient temperature 0° to 60°C (op.)
–40° to 70°C (nonop.)
Temperature gradient
(°C per hour max)
20°C (operating)
30°C (nonoperating)
Relative humidity 5% to 90% (operating)
5% to 95% (nonoperating)
Relative humidity gradient 30% per hour max
Wet bulb temperature
(°C max)
37.7 (operating)
40.0 (nonoperating)
Altitude, operating –60.96 m to 3,048 m
(–200 ft to 10,000+ ft)
Altitude, nonoperating
(meters below mean sea level, max)
–60.96 m to 12,192 m
(–200 ft to 40,000+ ft)
Shock, operating (max at 2 msec) 63 Gs
Shock, nonoperating (max at 2 msec) 300 Gs
Vibration, operating 0.25 G acceleration
Vibration, nonoperating 0.25 G (5–22 Hz)
5.0 Gs (22–350 Hz)
Drive acoustics, sound power (bels)
Idle* 2.8 (typical)
3.4 (max)
Quiet seek 3.2 (typical)
3.4 (max)
Performance seek 3.7 (typical)
3.9 (max)
Nonrecoverable read errors 1 per 10
14
bits read
Annualized Failure Rate (AFR) 0.34%
Service life 5 Years
Table 1: Drive specifications
Drive specification ST3400832AS ST3300831AS ST3250823AS ST3200826AS